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TIL that NASA mathematician Katherine Johnson calculated the trajectory for the space flight of Alan Shepard by hand, and was called on by NASA officials to verify the computer’s calculations of John Glenn’s orbit around Earth.

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nWD9o TIL about "Kranzgeld", which were, until 1998, damages that a man had to pay to a previously virgin woman if he broke off his engagement after having sex
nM89 TIL That between the 50’s and 80’s big companies produced “Industrial Musicals” that were only for employees to boost morale. The Bathrooms are Coming is considered to be one of the best.
Qndd TIL that FDR was so tired of the Supreme Court ruling his new laws unconstitutional, that he was going to use a loophole in the constitution to “pack” the courts with as many as 5 new pro-new deal justices. His ploy worked and the court started to rule in favor of his legislation.
VMPPp TIL - On a clear night humans can see the light from a candle burning 1.6 miles away
yQ9eX TIL that in 1850, Tennessee became the first state to make it illegal for a man to beat his wife.